S.StahlW.RhlR.et al (2017)
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5 However, its important to note that serum levels do not accurately reflect B12 cellular sufficiency
The answer depends on several factors, including health status, personal goals, and commitment to lasting changes
In 2019, the FDA approved melanotan I (Scenesse, Clinuvel Pharmaceuticals) for adults with a history of phototoxic reactions from erythropoietic protoporphyria (EPP)
But if two consecutive tests show TSH below your target, or if a single test shows significant suppression below 0.3 combined with symptoms of overmedication, your prescriber should reduce the dose